There are three significant figures in 25.3. There are four significant figures in 12.65. How many significant figures should there be in the
answer?

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

What is the molar mass of ca(cio4)2

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon